physical weathering meaning in Hindi

Examples

1. Physical weathering is especially important during the early stages of soil development.
2. Nurdles are also created through the physical weathering of larger plastic debris.
3. Physical weathering is also called mechanical weathering or disaggregation.
4. General physical weathering and chemical weathering can occur to make the rocks break like this.
5. Physical weathering includes temperature effects, freeze and thaw of water in cracks, rain, wind, impact and other mechanisms.
6. These coastal landforms were rapidly formed 8000-6500 years B . P . by physical weathering of soft mudstone cliffs and wave action.
7. While physical weathering is accentuated in very cold or very dry environments, chemical reactions are most intense where the climate is wet and hot.
8. Physical weathering, such as frost shattering, has played a key role in their formation, resulting in giant piles of loosely stacked rocks.
9. Since research in physical weathering begun around 1900, volumetric expansion was, until the 1980s, held to be the predominant process behind frost weathering.
10. Mechanical or physical weathering involves the breakdown of rocks and soils through direct contact with atmospheric conditions, such as heat, water, ice and pressure.